2023 Swiss Open Gstaad – Singles

Pedro Cachin defeated Albert Ramos Viñolas in the final, 3–6, 6–0, 7–5 to win the singles tennis title at the 2023 Swiss Open Gstaad. It was his first ATP Tour singles title.

Singles
2023 Swiss Open Gstaad
Champion	Pedro Cachin
Runner-up	Albert Ramos Viñolas
Score	3–6, 6–0, 7–5
Draw	28
Seeds	8

Main article: 2023 Swiss Open Gstaad

Casper Ruud was the two-time reigning champion, but chose to compete in Båstad instead.

Seeds

The top four seeds received a bye into the second round.

1. Roberto Bautista Agut (second round)
2. Miomir Kecmanović (semifinals)
3. Lorenzo Sonego (second round)
4. Yannick Hanfmann (quarterfinals)
5. Zhang Zhizhen (first round)
6. Roberto Carballés Baena (first round, retired)
7. Mikael Ymer (suspended for violating anti-doping rules)
8. Laslo Djere (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
		Pedro Cachin	6	6
	Q	Hamad Medjedovic	3	1
									Pedro Cachin	3	6	7
									Albert Ramos Viñolas	6	0	5
		Albert Ramos Viñolas	6	6
	2	Miomir Kecmanović	2	3

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	R Bautista Agut	64	63
		P Cachin	6	6					P Cachin	77	77
		T Daniel	4	1												P Cachin	6	6
		J Munar	6	6												J Munar	3	3
	WC	A Ritschard	3	3					J Munar	77	6
		S Wawrinka	6	3					S Wawrinka	63	1
	6	R Carballés Baena	1	1r																			P Cachin	6	6
																						Q	H Medjedovic	3	1
								4	Y Hanfmann	4	6	7
		B Bonzi	3	4					D Altmaier	6	2	5
		D Altmaier	6	6											4	Y Hanfmann	3	3
		A Müller	1	64											Q	H Medjedovic	6	6
		D Thiem	6	77					D Thiem	5	6	3
	Q	H Medjedovic	4	6	6			Q	H Medjedovic	7	2	6
	5	Z Zhang	6	1	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	LL	O Virtanen	2	3
		JP Varillas	6	6					JP Varillas	6	6
		A Rinderknech	2	6	3			Q	F Bagnis	2	1
	Q	F Bagnis	6	2	6											JP Varillas	77	1	4
		A Ramos Viñolas	6	2	6											A Ramos Viñolas	62	6	6
	WC	F Fognini	1	6	2				A Ramos Viñolas	6	3	6
								3	L Sonego	3	6	4
																							A Ramos Viñolas	6	6
	8	L Djere	0	6	3																	2	M Kecmanović	2	3
	Q	Z Bergs	6	4	6			Q	Z Bergs	710	4	77
		M-A Hüsler	3	5				Q	J Rodionov	68	6	64
	Q	J Rodionov	6	7											Q	Z Bergs	4	6	5
		A Fils	64	64											2	M Kecmanović	6	3	7
	WC	D Stricker	77	77				WC	D Stricker	64	1
								2	M Kecmanović	77	6

Qualifying

Seeds

1. Jurij Rodionov (qualified)
2. Facundo Bagnis (qualified)
3. Otto Virtanen (qualifying competition, lucky loser)
4. Thiago Seyboth Wild (first round)
5. Thiago Agustín Tirante (first round)
6. Raúl Brancaccio (first round)
7. Ivan Gakhov (first round)
8. Hamad Medjedovic (qualified)

Qualifiers

1. Jurij Rodionov
2. Facundo Bagnis
3. Hamad Medjedovic
4. Zizou Bergs

Lucky loser

1. Otto Virtanen

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Jurij Rodionov	6	77
	WC	Mika Brunold	1	61
								1	Jurij Rodionov	6	6
									Maximilian Neuchrist	3	4
		Maximilian Neuchrist	6	6
	7	Ivan Gakhov	3	3

Second qualifier

	First round							Qualifying competition
	2	Facundo Bagnis	77	6
	WC	Kilian Feldbausch	63	3
								2	Facundo Bagnis	6	6
									Geoffrey Blancaneaux	3	2
		Geoffrey Blancaneaux	6	6
	6	Raúl Brancaccio	4	3

Third qualifier

	First round							Qualifying competition
	3	Otto Virtanen	6	77
		Alexander Weis	3	64
								3	Otto Virtanen	65	4
								8	Hamad Medjedovic	77	6
		Federico Gaio	3	64
	8	Hamad Medjedovic	6	77

Fourth qualifier

	First round							Qualifying competition
	4	Thiago Seyboth Wild	6	2	64
		Zizou Bergs	3	6	77
									Zizou Bergs	6	6
									Marco Trungelliti	3	4
		Marco Trungelliti	6	6
	5	Thiago Agustín Tirante	3	3